4 Channel HART Output Module

PLX51-HART-4O

The PLX51-HART-4O allows users to easily connect their existing HART-compatible field devices to EtherNet/IP™, Modbus® TCP/IP, and DNP3 Ethernet networks.

The module can be used to connect HART Output devices such as valve positioners into an Ethernet network. The PLX51-HART-4O supports up to 4 channels of HART communication, as well as Analog 4-20 mA signals for real-time process variables to/from the HART-compatible device.

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Description

schematic-plx51-hart-4o

Features and Benefits
Support for point-to-multipoint network, maximum of 5 devices (EtherNet/IP only)
Support for point-to-point networks with EtherNet/IP, Modbus TCP/IP or DNP3 (TCP/UDP) protocols
EtherNet/IP enables a HART device to be added directly into a Rockwell Automation® Logix I/O tree
Modbus TCP/IP enables a HART field device to be viewed as a Modbus Slave device
DNP3 converts a HART field device into a DNP3 Outstation (slave) supporting Secure Authentication
DTM (Device Type Manager) / HART Pass-through is available for further simplifying device configuration and management using an FDT frame
Built-in Web server provides detailed diagnostics of system configuration and operation as well as field device diagnostics
Can be used in a redundant ControlLogix® controller system
Advanced Diagnostics automatically extracted and written to Logix Tags

Specifications

HART 4 Channel Output

Specification	Description
Number of Channels	4
DAC Resolution	16 bit
Accuracy (Calibrated 25°C)	< 0.15 %
Accuracy (Uncalibrated)	< 0.30 %
Range	0 to 22 mA
Drive	50 to 1170 Ω Resistive < 50 mH Inductive

EtherNet/IP

Specification	Description
Connector	RJ45
Conductors	CAT5 STP/UTP
ARP Connections	Max 20
TCP Connections	Max 20
CIP Connections	Max 10
Communication Rate	10/100 Mbps
Duplex Mode	Full / Half
Auto MDIX	Yes

Modbus TCP/IP

Specification	Description
Function Codes Supported	1: Read Coils 2: Read Discrete Inputs 3: Read Holding Registers 4: Read Input Registers

DNP3

Specification	Description
Mode Supported	DNP3 Outstation
Application Functions Supported	Read Write Select/Operate Direct-Operate Direct-Operate-No-Response Authentication Request Authentication Response
Unsolicited Response Supported	No
DNP3 Events Supported	No

DNP3 Secure Authentication

Specification	Description
Key Change Method Supported	Pre-shared
MAC Algorithms Supported	HMAC SHA-1 encryption (4 octets, serial) – for legacy support HMAC SHA-1 encryption (8 octets, serial) HMAC SHA-1 encryption (10 octets, networked) HMAC SHA-256 encryption (8 octets, serial) HMAC SHA-256 encryption (16 octets, networked) AES-GMAC (12 octets)
Key Wrap Algorithms Supported	AES-128 Key Wrap AES-256 Key Wrap
Aggressive Mode Supported	No